20526695

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 9581977

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 593, 805, 989, 1505, 2965, 4151, 4945, 6923, 13639, 20755, 25499, 34615, 68195, 95473, 127495, 178493, 477365, 586477, 892465, 2932385, 4105339, 20526695]

約数ペア:

[(1, 20526695), (5, 4105339), (7, 2932385), (23, 892465), (35, 586477), (43, 477365), (115, 178493), (161, 127495), (215, 95473), (301, 68195), (593, 34615), (805, 25499), (989, 20755), (1505, 13639), (2965, 6923), (4151, 4945)]